简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script> <style> div { color: blue; margin: 2px; font-size: 14px; } span { color: red; } </style> <div>jQuery.isFunction( objs[ 0 ] ) = <span></span></div> <div>jQuery.isFunction( objs[ 1 ] ) = <span></span></div> <div>jQuery.isFunction( objs[ 2 ] ) = <span></span></div> <div>jQuery.isFunction( objs[ 3 ] ) = <span></span></div> <div>jQuery.isFunction( objs[ 4 ] ) = <span></span></div> <script> $(function () { function stub() {} var objs = [ function() {}, { x:15, y:20 }, null, stub, "function" ]; $.each( objs, function( i ) { var isFunc = $.isFunction( objs[ i ]); $( "span" ).eq( i ).text( isFunc ); }); }) </script> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：